Step 8: Now your Samsung Galaxy Ace 3 GT-S7275R smartphone is Rooted. To check whether your phone is rooted correctly, open Applications Menu, there you will be able to see a new app installed, called KingUser. If this app exist then it means you have successfully rooted your device.

Optional: You can also verify the root status of your device by using the Root Checker Application.

Readme Once:

[*] No data loss process: Your Samsung Galaxy Ace 3 GT-S7275R Phone Data like contacts, pictures, videos, music and etc will be not affected with this method.